Paul Armstrong had a besetting evil--the love of money.
Some meet the needs of one person, and some of another; and each person should beware of the booklover's besetting sin, of what Mr. Edgar Allan Poe calls "the mad pride of intellectuality," taking the shape of arrogant pity for the man who does not like the same kind of books.
But towards the poor or to those of the same limited resources as himself his attitude was one of watchful anxiety; he seemed to be haunted by a besetting fear lest some fraction of a shilling or franc, or whatever the prevailing coinage might be, should be diverted from his pocket or service into that of a hard-up companion.